# Ecolab acquires ion-exchange resin maker Purolite for $3.7B

Ecolab announced the acquisition of ion-exchange resin producer Purolite for $3.7 billion. Purolite's technology enables purification of mRNA vaccines and monoclonal antibodies.

- Type: Acquisition
- Announced: 2021-10-28
- Where: King of Prussia, Pennsylvania, United States
- Value: $3.70B
- Status: announced
- Products: ion-exchange resins, chromatography resin beads
- Sectors: [Specialty Chemicals](https://endata.com/sectors/specialty-chemicals.md), [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [Ecolab](https://endata.com/companies/2784.md) (acquirer)
- [Purolite](https://endata.com/companies/40468.md) (target)

## Sources

- [investor.ecolab.com](https://investor.ecolab.com/news/news-details/2021/Ecolab-to-Acquire-Purolite-a-Leading-Global-Provider-of-Fast-Growing-High-Value-Separation-and-Purification-Solutions-to-Life-Sciences-and-Critical-Industrial-Markets/default.aspx), 2021-10-28: "Ecolab to pay approximately $3.7 billion in cash"
- [thecolumn.co](https://thecolumn.co/archive/2021-11-01/), 2021-11-01: "Purolite has a unique technology that can produce chromatography resin beads with uniform particle size from a polysaccharide"
- [cen.acs.org](https://cen.acs.org/environment/water/Ecolab-buy-ion-exchange-resin/99/i41), 2021-11-03: "The water treatment and cleaning chemistry company Ecolab has agreed to pay $3.7 billion for Purolite, a privately held firm that makes ion exchange resins for separation applications."
- [money.mymotherlode.com](https://money.mymotherlode.com/clarkebroadcasting.mymotherlode/article/bizwire-2021-12-1-ecolab-closes-on-purchase-of-purolite), 2021-12-01: "Ecolab Inc. has closed on its previously announced acquisition of Purolite, a leading and fast-growing global provider of high-end ion exchange resins for the separation and purification of solutions for pharmaceutical and industrial applications."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.